Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA703923A
Inventor
Merten Rudolf
Frohberger Paul-Ernst
Steinfatt Fritz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Publication date
Application grantedgrantedCritical
Publication of CA703923ApublicationCriticalpatent/CA703923A/en